A Patient Is Being Tested to Determine Whether He Has

question 25

Multiple Choice

A patient is being tested to determine whether he has the factor V Leiden mutation by PCR-RFLP analysis. PCR is performed on the patient's DNA and cut with HindIII. The mutation-positive control sample had a single band of expected size, and the mutation-negative control sample had a slightly larger band. The patient's specimen had two bands, one that was the same size as the mutation-positive control band and the other the same as the mutation-negative control. Which of the following is the correct interpretation of these results?

• A) The patient does not have the factor V Leiden mutation.
• B) The patient is heterozygous for the factor V Leiden mutation.
• C) The patient is homozygous for the factor V Leiden mutation.
• D) The results are not valid, and the assay should be repeated.

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Definitions:

Sensations

The process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment.

Structuralism

An early school of psychology that sought to understand the structure of the mind by analyzing the basic components of thoughts and sensations.

Perception

The cognitive process that enables us to interpret and understand our surroundings through the integration of sensory information.

Psychology

The scientific study of the mind and behavior, encompassing various aspects of human experience and mental functions.